Planooraph co



. W. KAISUNG.

HEAT ELEMENT FOR ENGINE MANIFOLDS.

APPLICATION mm mu: 19. 1913.

AIIIIILII 'rm; IJOLUMBM PLANOGIIAPH 60-. wAsHlNn'rdN. I), 1:.

Pat e11ted July 22, 1919.

UNITED STATES PATENT OFFICE.

WILLIAM KAIsLING, o-r cmo seo, ILLINOIS, ssruon T0 KELLOGG swrrcmaoam) & sUrrLY COMPANY, or CHICAGO, ILLIN S, A. CORPORATION or ILLINOIS.

mam ELEMENT roa ENG NE-MANIroLns.

Specification of Letters Patent.

Patented July 22, 1919.

Application filed June 19, 1913. Serial at. 774,552.

To all whom it may concern:

Be it known that 1, WILLIAM KAIsLINo, a citizen of the United States of America, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Heat Elements for Engine-Manifolds, of which the following is a specification.

My invention relates to heat elements for engine manifolds and consists primarily of what might be called a self-contained heat element of this character which may be readily inserted or withdrawn from any fluid conducting passage. I find great use for my said heat element in connection with the manifolds of explosive engines or other suitablefluid conducting portions thereof where it is desired to heat the fluids or gases passing through these passages.

It is well known that during cold weather it is peculiarly diliicult to cause proper igni tion of the explosive fluid within an explosive engine due to the cold. If this explosive fluid is heated, explosions readily occur. My invention particularly provides an element of this character which, as stated, is self-contained andmay be readily mounted in place when its services are required.

I will explain one form which my invention may take by referring to the accompanying drawing in which- Figure 1 is a top view of an engine inanifold showing my improved heating element in place;

Fig. 2 is a partial sectional view on line aa. of Fig. 1 showing the manner of insertion of the heat element together with a complete side view of the heat element, and

Fig. 3 is a partial longitudinal sectional view of my improved heating element.

My improved heating element consists of a screw threaded body portion 1 which is adapted to be inserted within a tube 2 which may form part of the manifold of an engine as diagrammatically indicated in Fig. 1. A seat 3 is provided upon the tube 2 which is adapted to accommodate the body portion 1 and with which it has screw threaded engagement. The body portion 1 has a central aperture within which a spindle or post 4 is mounted being, however, insulated from the body portion 1 by the three pieces of insulation 5 as shown. The post 4 has a projection 6 to abut the washer 17 which rests against the lower insulating washer, and a further washer 7 abuts the upper insulating washer 5, all of which is surmounted by a clamping nut 8 to hold the post 4 and body portion 1 together, the two parts however being insulated from each other as previously stated. A further nut 9 is provided on the top portion of the post 4 so that between the two nuts 8 and 9 a suitable connecting wire 10 may be mounted for making an electrical connection. The lower extremity of the post 4 has fixedly mounted therein and electrically connected therewith a protruding end 11 of a helix of resistance wire 12. The opposite extremity of this helix has a projecting end 13 which is riveted to the body portion 1, thereby having electrical engagement therewith.

It will thus be seen, as more apparent from Fig. 2 that if a battery 14 were used and the switch 15 closed, and a conducting wire 16 be connected to the tube 2, that then a circuit would be established from the battery 14 by wa of conductor 10, nut 8, post 4. helix 12, b0 y portion 1, tube 2, conductor 16, switch 15'to the battery 14. In this way whenever desired current may be sent through the helix 12 to thus heat the resistance wire 12 to thereby heat the fluids passing through the tube 2.

The simple self-contained character of my improved device will thus readily appear in 'lhat the same may be easily inserted or withdrawn from the tube 2 and may in fact be easily inserted through the wall of any casing, so long as screw threads are provided to accommodate the screw threads upon the body portion 1.

The device as is apparent from the description is very simple and lends itself readily to the particular uses for which it is designed on account of the enumerated features. The arrangement of the parts is such that high pressure may be encountered without injuring the device.

My device is substantially built and has many advanta es over similar devices of the art. I provi e a very substantial central post about which the heating coil 12 is encircled, and this coil is constructed of sufficiently heavy non-vibratile material to prevent any sudden rush of gas past the coil from injuring the coil in any manner. The wire forming the coil is not covered with insulating material, but comes in immediate contact with the gases passing through the chamber thereby permitting the maximum heating efliciency to be obtained. A further advantage of my device is that the screw-threaded element is provided with a cylindrical cup-shaped portion into which one end of the heating coil or wire 12 extends.

From what has been set forth it Will be clear that the illustration herein is more or less symbolic, permitting changes and media fications within the scope of the appended claims without departing from the spirit of my invention.

Having however thus described one form which my invention may take What I claim as new and desire to secure by Letters Patent is:

1. A heating device eat the character dc scribed for the manifold or other gasmarrying chamber of an automobile, including. a screw-threaded element provided with a cylindrical cupshaped; opening, an elongated metallic post extending through said cylindrical opening, one end 0t said post being insulatingly secured to said screwthreaded element and the other end of said; post being free to extend into said; chamber, a heating member consisting of a sub t ntially non-vibratile helical coil encircling said post and having one 0t its ends electrically attached to the free extremity of said post and its other end electricall Y connected to thesaid screw-threaded element whereby said screw-threaded element and said post form terminals for the heating device, said helical coil extending from the free extremity of said post up into said cup-shaped cylindrical opening, the space between the coil and the post being free of insulating material so as to permit free contact of the gases with the full out side surface of the coil and of the post.

2. A heating device of the character dcscribed for the manifold of a gas engine, including a screw-threaded element adapted to screw into said manifold, said element be ing provided with a cylindrical cup-shaped opening, an elongated metallic post connected to said screw-threaded element and extending through said opening into said manifold, a pair of washers and a sleeve of insulating material for insulating said post from said screw-threaded element, a heating element consisting of a helical coil of non-vibratile wire encircling said post and having one of its ends electrically attached to the tree extremity of said post and its other end electrically connected to said screw-threaded element, whereby said screw-threaded element and. said post form the two terminals for the heating device, the said helical coil being of a length and size to extend up into said cup-shaped opening without contacting with said post or with the inner peripheral surface of said screw-threaded element, the space between the coil and the post and between the coil and the inner peripheral surface ct said screw-threaded element being free of insulatin material so as to permit free contact of t e gases with the full surface of the coil.

Signed. by me at Chicago, county of Cook and State of Illinois, in the presence of two witnesses.

WILLIAM KAISLING. Witnesses: a

G, E. MUELLER,

M. R. Roemronn.

copiel of this patent be obtained tor five cents each, by addressing the "Gummissioner of Patents, Washington, I). O. 

